United Nations. Economic and Social Commission for Asia and the Pacific. (1991). Guidelines for youth participation in environmentally sound and sustainable development. United Nations.
芝加哥风格引文United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Youth Participation in Environmentally Sound and Sustainable Development. New York: United Nations, 1991.
MLA引文United Nations. Economic and Social Commission for Asia and the Pacific. Guidelines for Youth Participation in Environmentally Sound and Sustainable Development. United Nations, 1991.
警告：这些引文格式不一定是100％准确.